Canal companies. Certificate of incorporation, §52-4-2. Deed to acquire beneficial interest in property. Deed creating trusts. Certification of filing with secretary of state, §53-12-152. Navigation companies. Certificate of incorporation, §52-5-3. Pilots and pilotage. Oath of pilot, §52-6-33. Self-proved will or codicil. Certificate affixed to affidavit, §53-4-24. Trusts.